Finding the Fourth Proportional to 3,693,858.55, 5,544,193.85 and 1,873,501.09
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Solution
The fourth proportional to 3,693,858.55, 5,544,193.85 and 1,873,501.09 is: 2,811,979.15
Step by Step Solution
- Step 1: Write the proportion equation
3,693,858.55 : 5,544,193.85 = 1,873,501.09 : x - Step 2: Convert to fraction form
3,693,858.55/5,544,193.85 = 1,873,501.09/x - Step 3: Cross multiply
3,693,858.55x = 5,544,193.85 × 1,873,501.09 - Step 4: Simplify right side
3,693,858.55x = 10,387,053,211,778.79 - Step 5: Solve for x
x = 10,387,053,211,778.79/3,693,858.55 - Step 6: Final answer
x = 2,811,979.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.